Why Are More Boys Born During War? - Evidence from Germany at Mid Century
In belligerent countries, male-to-female sex ratios at birth increased during and shortly after the two world wars. These rises still defy explanation. Several causes have been suggested (but not tested) in the literature. Many of these causes are proximate in nature, reflecting behavioral responses to the dramatically changed marriage market conditions for women and men that were induced by war-related declines in adult sex ratios. Based on county-level census data for the German state of Bavaria in the vicinity and aftermath of World War II, we explore the reduced-form relationship between changes in adult and off spring sex ratios. Our results suggest that war-induced shortfalls of men significantly increased the percentage of boys among newborns.
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- Michael Kvasnicka & Dirk Bethmann, 2007.
"World War II, Missing Men, and Out-of-wedlock Childbearing,"
SFB 649 Discussion Papers
SFB649DP2007-053, Sonderforschungsbereich 649, Humboldt University, Berlin, Germany.
- Dirk Bethmann & Michael Kvasnicka, 2013. "World War II, Missing Men and Out of Wedlock Childbearing," Economic Journal, Royal Economic Society, vol. 123(567), pages 162-194, 03.
- Michael Kvasnicka & Dirk Bethmann, 2007. "World War II, Missing Men, and Out-of-wedlock Childbearing," Discussion Paper Series 0730, Institute of Economic Research, Korea University.
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